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/******************************************************************************* |
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* Copyright (c) 2010 TUBITAK BILGEM-ITI and others. |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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* |
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* Contributors: |
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* Onur Akdemir (TUBITAK BILGEM-ITI) - Multi-process debugging (Bug 237306) |
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*******************************************************************************/ |
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package org.eclipse.cdt.dsf.gdb.service; |
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import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor; |
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import org.eclipse.cdt.dsf.concurrent.RequestMonitor; |
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import org.eclipse.cdt.dsf.datamodel.DMContexts; |
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import org.eclipse.cdt.dsf.datamodel.IDMContext; |
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import org.eclipse.cdt.dsf.debug.service.command.ICommandControlService.ICommandControlDMContext; |
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import org.eclipse.cdt.dsf.gdb.internal.GdbPlugin; |
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import org.eclipse.cdt.dsf.gdb.service.command.IGDBControl; |
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import org.eclipse.cdt.dsf.mi.service.IMICommandControl; |
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import org.eclipse.cdt.dsf.mi.service.IMIContainerDMContext; |
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import org.eclipse.cdt.dsf.mi.service.IMIProcessDMContext; |
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import org.eclipse.cdt.dsf.mi.service.command.CommandFactory; |
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import org.eclipse.cdt.dsf.mi.service.command.output.MIAddInferiorInfo; |
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import org.eclipse.cdt.dsf.mi.service.command.output.MIInfo; |
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import org.eclipse.cdt.dsf.service.DsfSession; |
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import org.eclipse.core.runtime.IStatus; |
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import org.eclipse.core.runtime.Status; |
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|
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/** |
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* Adding support for multi-process with GDB 7.2 |
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* |
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* @since 4.0 |
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*/ |
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public class GDBProcesses_7_2 extends GDBProcesses_7_1 { |
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private CommandFactory fCommandFactory; |
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private IGDBControl fCommandControl; |
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public GDBProcesses_7_2(DsfSession session) { |
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super(session); |
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} |
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@Override |
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public void initialize(final RequestMonitor requestMonitor) { |
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super.initialize(new RequestMonitor(getExecutor(), requestMonitor) { |
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@Override |
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protected void handleSuccess() { |
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doInitialize(requestMonitor); |
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} |
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}); |
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} |
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/** |
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* This method initializes this service after our superclass's initialize() |
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* method succeeds. |
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* |
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* @param requestMonitor |
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* The call-back object to notify when this service's |
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* initialization is done. |
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*/ |
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private void doInitialize(RequestMonitor requestMonitor) { |
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fCommandControl = getServicesTracker().getService(IGDBControl.class); |
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fCommandFactory = getServicesTracker().getService(IMICommandControl.class).getCommandFactory(); |
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requestMonitor.done(); |
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} |
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@Override |
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public void shutdown(RequestMonitor requestMonitor) { |
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super.shutdown(requestMonitor); |
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} |
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@Override |
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public void attachDebuggerToProcess(final IProcessDMContext procCtx, final DataRequestMonitor<IDMContext> rm) { |
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if (procCtx instanceof IMIProcessDMContext) { |
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if (!doIsDebuggerAttachSupported()) { |
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rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INTERNAL_ERROR, "Attach not supported.", null)); //$NON-NLS-1$ |
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rm.done(); |
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return; |
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} |
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ICommandControlDMContext controlDmc = DMContexts.getAncestorOfType(procCtx, ICommandControlDMContext.class); |
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fCommandControl.queueCommand( |
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fCommandFactory.createMIAddInferior(controlDmc), |
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new DataRequestMonitor<MIAddInferiorInfo>(getExecutor(), rm) { |
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@Override |
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protected void handleSuccess() { |
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final String groupId = getData().getGroupId(); |
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if (groupId == null || groupId.trim().length() == 0) { |
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rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INTERNAL_ERROR, "Invalid gdb group id.", null)); //$NON-NLS-1$ |
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rm.done(); |
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return; |
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} |
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final IMIContainerDMContext containerDmc = createContainerContext(procCtx, groupId); |
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fCommandControl.queueCommand( |
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fCommandFactory.createMITargetAttach(containerDmc, ((IMIProcessDMContext)procCtx).getProcId()), |
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new DataRequestMonitor<MIInfo>(getExecutor(), rm) { |
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@Override |
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protected void handleSuccess() { |
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rm.setData(containerDmc); |
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rm.done(); |
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} |
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}); |
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} |
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}); |
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} else { |
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rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INTERNAL_ERROR, "Invalid process context.", null)); //$NON-NLS-1$ |
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rm.done(); |
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} |
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} |
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@Override |
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public void detachDebuggerFromProcess(IDMContext dmc, final RequestMonitor rm) { |
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ICommandControlDMContext controlDmc = DMContexts.getAncestorOfType(dmc, ICommandControlDMContext.class); |
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final IMIContainerDMContext containerDmc = DMContexts.getAncestorOfType(dmc, IMIContainerDMContext.class); |
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if (controlDmc != null && containerDmc != null) { |
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if (!doCanDetachDebuggerFromProcess()) { |
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rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INTERNAL_ERROR, "Detach not supported.", null)); //$NON-NLS-1$ |
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rm.done(); |
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return; |
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} |
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fCommandControl.queueCommand( |
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fCommandFactory.createMITargetDetach(controlDmc, containerDmc.getGroupId()), |
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new DataRequestMonitor<MIInfo>(getExecutor(), rm) { |
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@Override |
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protected void handleCompleted() { |
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if (isSuccess()) { |
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// Bug in GDB 7.2 where removing an inferior will lead to a crash when running other processes. |
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// I'm hoping it will be fixed in 7.2.1 |
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// fCommandControl.queueCommand( |
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// fCommandFactory.createMIRemoveInferior(fCommandControl.getContext(), containerDmc.getGroupId()), |
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// new DataRequestMonitor<MIInfo>(getExecutor(), rm)); |
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} else { |
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// This command fails with GDB 7.2 because of a GDB bug, which was fixed with GDB 7.2.1 |
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// In case we get here, we assume we are using GDB 7.2 (although we should not) and we work |
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// around it. |
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// Also, with GDB 7.2, removing the inferior does not work because of another bug, so we just don't do it. |
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fCommandControl.queueCommand( |
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fCommandFactory.createMITargetDetach(containerDmc), |
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new DataRequestMonitor<MIInfo>(getExecutor(), rm)); |
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} |
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} |
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}); |
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} else { |
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rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INTERNAL_ERROR, "Invalid context.", null)); //$NON-NLS-1$ |
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rm.done(); |
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} |
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} |
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} |
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